Wrong section. However, you need to use trigger_(once/multiple, depending on how many times you want it to fire) then you select "Clients" under flags. Go to Outputs, hit add, under My output named, choose "OnTouching". Then for the rest, you can choose what you want your target(s) to do. (ie. "On touching", target "Bay_door_01" via input "Open" parameter "<none>")